反应详情

A mixture of N-[2-(1-azabicyclo[3.3.0]octan-5-yl)ethyl]-2-nitroaniline (200 mg, 725 μmol) obtained by Example 23 in ethanol (10 Ml) and maleic acid (84.2 mg, 72 μmol) in ethanol (10 ml) was concentrated until its volume becomes 3 ml and left to stand to afford the desired salt (223 mg, 78.6%).

1. concentrationwas concentrated until its volume
2. waitleft